Question

Any Help? " Imagine that you have $50 to spend at a used bookstore. You can buy paperbucks for $1 and hardbacks for $4. What combination of books might you buy with your $50?

Answer 1

Let

x = # of paperbacks
y = # of hardbacks

If paperbacks are $1 a piece, then buying x of them will cost 1*x = x dollars
If hardbacks are $4 a piece, then buying y of them will cost 4*y = 4y dollars


In total, you will spend x + 4y dollars

If you set this total to be $50, then x+4y = 50

Answer 2

Now let's say x = 2, if this is the case, then

x+4y = 50

2 + 4y = 50

4y = 50-2

4y = 48

y = 48/2

y = 12

which means that you bought x = 2 paperbacks and y = 12 hardbacks

Answer 3

What other combinations can you find?

Answer 4

That Was All It Siad

Answer 5

I know, but can you find any other combinations (other than x = 2, y = 12)

Answer 6

I Really Don't Understand This ,At All That's Why I Asked You.. Sorry..

Answer 7

what happens when x = 6? what is the value of y?

Answer 8

Idk ..

Answer 9

x+4y = 50

6+4y = 50

4y = 50-6

4y = 44

y = ??

Answer 10

11

Answer 11

good

Answer 12

so another combo is 6 paperbacks and 11 hardbacks

Answer 13

So, that would be the answer?

Answer 14

that's part of it, you can decide to find more combos if you want

Answer 15

or you can stop here

Answer 16

Okay... Thank You May I Ask U Something Else

Answer 17

sure, what do you need?

Answer 18

Write an equation in point-slope, slope-intercept, and standard forms for the line that is both parallel and perpendicular to the given line and that passes through the given point: y=-3x+5 (-3,1)